Problem signature:
Problem Event Name: APPCRASH
Application Name: ffxiv.exe
Application Version: 1.0.0.0
Application Timestamp: 5215cce1
Fault Module Name: ffxiv.exe
Fault Module Version: 1.0.0.0
Fault Module Timestamp: 5215cce1
Exception Code: 80000003
Exception Offset: 00267f98
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

Not sure if this helps to identify the issue, but this is what Windows popped out. Is it possible there are left over conflicting files from beta?